G H Hardy
I remember once going to see him when he was ill at Putney. I had ridden in taxi cab number 1729 and remarked that the number seemed to me rather a dull one and that I hoped it was not an unfavorable omen.
Srinivasa Ramanujan (a self taught mathematician)
‘No’, he replied, ‘it is a very interesting number; it is the smallest number expressible as the sum of two cubes in two different ways.’
The Two Ways are:
- 1729 = 13 + 123 = 93 + 103.
(Wikipedia entry for Ramanujan)